<template>
	<view class="charts-box">
		<qiun-data-charts type="area" :canvas2d="true" :canvasId="canvasId_data" :opts="opts" :chartData="chartData" />
	</view>
</template>

<script>
	export default {
		data() {
			return {

				chartData: {},
				//您可以通过修改 config-ucharts.js 文件中下标为 ['line'] 的节点来配置全局默认参数，如都是默认参数，此处可以不传 opts 。实际应用过程中 opts 只需传入与全局默认参数中不一致的【某一个属性】即可实现同类型的图表显示不同的样式，达到页面简洁的需求。
				opts: {
					color: ["#1890FF", "#91CB74"],
					padding: [15,10,0,10],
					enableScroll: false,
					update: true,
					 legend: {
					          show: false,
					          position: "right",
					          lineHeight: 25
					        },
					xAxis: {
						disableGrid: true
					},
					yAxis: {
						disableGrid: true,
				
					},
					extra: {
						line: {
							type: "straight",
							width: 2,
							activeType: "hollow"
						},
					 area: {
					            type: "straight",
					            opacity: 0.2,
					            addLine: true,
					            width: 2,
					            gradient: false,
					            activeType: "hollow"
					          }
					}
				}
			};
		},
		props: ['dangYuanJiaoFeiInfo'],
		mounted() {
			// this.getServerData();
		},
		
		 watch:{
		    dangYuanJiaoFeiInfo: {
		      handler(newValue, oldValue) {
		        if (newValue) {
		          this.dangYuanJiaoFeiInfo = newValue
		          this.$nextTick(() => {
		            this.getServerData();
		          });
		        }
		      },
		      immediate: true,
		      deep: true
		    }
		  },

		methods: {
			getServerData() {
				//模拟从服务器获取数据时的延时
				setTimeout(() => {
					//模拟服务器返回数据，如果数据格式和标准格式不同，需自行按下面的格式拼接
					let res = {
						categories: this.dangYuanJiaoFeiInfo.map(item => {
							return item.key + '月'
						}),
						series: [{
								name: "收",
								data: this.dangYuanJiaoFeiInfo.map(item => {
									return item.value.in
								}),
							},
							{
								name: "支",
								data: this.dangYuanJiaoFeiInfo.map(item => {
									return item.value.out
								}),
							},
						]
					};
					this.chartData = JSON.parse(JSON.stringify(res));
				}, 500);
			},

		}
	};
</script>

<style scoped>
	/* 请根据实际需求修改父元素尺寸，组件自动识别宽高 */
	.charts-box {
		width: 100%;
		height: 140px;	
		margin: 0 auto;

/* 		margin-bottom: 20px;
		margin-right: 20px; */
	}
</style>
